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Perfume (perfume@qoto.org)'s status on Wednesday, 04-Oct-2023 13:58:34 JST

  1. Embed this notice
    Perfume (perfume@qoto.org)'s status on Wednesday, 04-Oct-2023 13:58:34 JST Perfume Perfume
    in reply to

    “潛艦不像水面艦有龍骨，「安放龍骨」為一形容詞，代表一個工程節點的順利完成。「安放龍骨」主要是將潛艦主船段的壓力殼與潛艦帆罩焊接，完成焊接後再經過密閉壓力測試，確定無誤後才會進行潛望鏡、通訊天線等設備的裝設。”

    https://www.cna.com.tw/news/aipl/202111140166.aspx

    In conversation about a year ago from gnusocial.jp permalink

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